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Gre4nikov [31]
4 years ago
11

The distance between the points (2,-1,-8) and (6,-3,4)

Mathematics
1 answer:
SOVA2 [1]4 years ago
5 0
distance= \sqrt{(6-2)^2+(-3-(-1))^2+(4-(-8))^2}  \\ \\ =\sqrt{4^2+ (-2)^2+12^2}  \\ \\ = \sqrt{16+4+144}\\\\= \sqrt{164}  \\\\=2 \sqrt{41}


C.
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6 0
3 years ago
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Artemon [7]
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4 0
3 years ago
Suppose m:angle a =77 degrees what is the measure of a complement of a complement of angle a, what is a conclusion you can draw
nexus9112 [7]

Answer:

a = 77°

Step-by-step explanation:

Two angles are complementary if their sum is 90 degrees.

Let us assume that the angle b is complement of a.

Given statement  complement (complement (a)) = complement (b) = a

Complement (complement (77°)) = complement ( 13°) = 77°

The conclusion is obvious that this is the same angle.

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5 0
3 years ago
Darcy harvests 8 3/4 acres of corn every 5/6 of an hour.Darcy harvests corn at a constant rate. How many acres does she harvests
andrey2020 [161]

Answer:

10.50 acres per hour or 1.75 per 10 minutes(1/6 of an hour)

Step-by-step explanation:

5/6 of an hour is 50 minutes

1/6 of an hour is 10 minutes

8 3/4 is equal to 8.75

8.75/5 is equal to 1.75 which means she harvests 1.75 acres per hour

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3 0
3 years ago
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KiRa [710]

Answer:

48 is the answer

Step-by-step explanation:

9*4 +. 6*2

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48

7 0
3 years ago
Read 2 more answers
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